16390+5040 CVR1669

 
 
16h 39m 01.20s +50 39' 49.6" P.A. 23 sep 4.8 mag 17.20,17.80 Sp M2+M3
 
 
Coord 2000
16390+5040
Discov num
CVR1669
Comp
Coord arcsec 2000
16 39 01.20 +50 39 49.6
Date first
1998
Date last
2015
Obs
4
Pa first
23
Pa last
23
P.A. Now (θ)
23°
Sep first
4.8
Sep last
4.8
Sep. Now (ρ)
4.8"
Mag pri
17.20
Mag sec
17.80
delta mag (ΔM)
0.6
Spectral class
M2+M3 (red/red)
Pri motion ra
-017
Sec motion ra
Pri motion dec
+016
Sec motion dec
Notes
R (Red magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
22.9
Precise sep
4.843
Constellation
Hercules
Gaia DR2
35773140992
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16390+5040 CVR1669 2003 2 23 4.8 17.20 17.80 M2+M3 R 163901.20+503949.6
16390+5040 CVR1669 2010 3 24 4.9 17.20 17.80 M2+M3 R 163901.20+503949.6
16390+5040 CVR1669 2015 4 23 4.8 17.20 17.80 M2+M3 R 163901.20+503949.6

If you need more information about this double, apply for a data request form to the WDS.